Windows: Shotty is a lightweight and portable screen capture tool that captures screenshots in Windows Vista and 7 while preserving the transparency of Aero-Glass effects.

If all you need is to capture windows with the transparency intact, Shotty does a great job. On top of eye-candy preserving capture, however, it also includes a built-in editor for easy highlighting and annotation. Shotty has support for easy screenshot sharing via quick uploads to popular image sharing services like ImageShack and TwitPic.

It comes packaged in an installer but you can opt to install it as a system or portable application. Shotty is freeware, Windows only. Have a favorite screen capture tool that preserves all the eye candy of modern operating systems? Let's hear about it in the comments.